Combined bushing-retaining screw and lubricator



D. M Q. BLESS COMBINED BUSHING RETAINING SCREW AND LUBRICATOR Filed Ma 9, 1921 e ed Get. '16, 1923. i P

' iai asol 4 DONALD McQU EEN BLISS, or BATTLE annex, MICHIGAN, assienon'ro 3.3. SHERMAN MANUrAor RI eco, or BATTLE CREEK, MICHIGAN, acoRroR-A'ritonera- ICHI-' GAN.

' T all whom it may concern/:-

Beit known that I, DONALD Brass, a

citizen of .the' United' States, residing at V 1 Battle Creek, in the county of Calhoun and taining in place the bushings for the. jour- I nals 'of'rot-ating shafts, and is particularly adapted for use in electrical motors and like 5 apparatus. 7 o

-The object of the invention is to provide an eliicient, screw retainer which will also serveas a simple lubricating device, principally intended to be used as an auxiliary to the means of lubrication commonly provided, to prevent the bearing from becoming overheated through *failure of the usual means of lubrication, or for any other reason.

' The invention is very simple and can be Y V readily applied to a greatvariety of journal inonly used in electric motors, and will 'ex-- bearing retaining screws In the drawin s l have illustrated the invention as app ied to a shaft journal bearing such as is come plain the invention with reference to such drawings; it being understood: thatthe in-. vention is capable of use in connection with many other forms of journal bearings. 7 I

In the accompanying'drawings:

Fig. l-represents a verticalsecti'onal view of an ordinary journal bearing of the shaft of'an electric motor, having the usual lubris reating means; andhaving-oneof my novel combined "bush ng retainer and auxiliary.

' safety lubricatii'ig'devices applied thereto;

Fig. 21is an enlar ed 'sectional; viewjof:

such retainer detache V Fig. 318 3; top plan view of Fig. '2;

V j In said drawings the shaft 2 of themotor" (not shown) has a journal 2 mounted in the usual sleeve lor bushing 3 with-in a hearing l fon the frame 1 of the motor. ;,In the.

example shown the cup 4 of an ordinary lubricating.deviceis detachably attached to the underside of the bearing 1. This cup is filled with lubricant in the usual manner cating device.

commas nusnme nn'je'mine' sonnwfnnn; LUBRIQATOR I l lication mm gs; 192i; seriai no. 4e7,s49. Y

contains wick 4E upheld by a spring 4* and the upperend of "this wick projects "out of the cup and extends through aper turesin the underside of the bearing l and the bushing 8 and supplies lubricant from 'thecup a to. the journal 2? of the shaft 2.

The form of bearing and lubricating deviceth-us far shown is well known and needs no further ,partlcular description hereln.

Any othersortof bearing and lubricating devices may be employed as my invention'is more particularly deslgned for use. as an auxiliary orsafety lubricating means, and to come into eifective operationin case of failure of themainor usual'lubricating devices. I

I it has heretofore beencust'omaryito provide In. the form lof bearing shown inFig. 1

a threaded-opening 1? in the upper side of the bearing 1 inwhich opening is fitted a bushing retainlngscrew 5 which screw ordinarily hasareduced shank 5' which passes through the lower contracted portion of the opening 1 and engages ahole in the topof the bushing as shown, so as to hold the bushing" in position in the bearing against both i .80 I

rotary andlongitudinal movement.

lnthe present'invention I convert such retaining s'c-rewb into an auxiliaryflubri To do this an axial bore 5 is made through the bod "and extension 5 of the screw; and in this orelinsert a core 6, which may bema-de of any suitable lubrii eating material or compound-or a: material which will. absorb lubricant; The core 6 may be of wicking orjlike' material satu:'

rated with oil; When' the inventionisto be used. as a safety lubricator in emergencies,I-propose to makethe core of .a lubricatthe'usual lubricating devices-are e fiectively operating therewill be no demand upon'my -.auxiliary lubricating device, but if the usual lubr cating means should fail orbecomeex hausted then my auxiliary lubr cating def vice-would become effective and lubricate v the "shaft.

The auxiliarydeviceis alsousefulf 'as will lubii'icate the journal ifrit becomes nec essary to remove the usual or mainlubricating clevlces for repairs, orother purposes.

I do not consider" my simple auxiliary 111? brlcating dev ce lln ltecl to the particular {011111015 scpe' v shown, nor to use 111 connection with the particulaf combination ofparts, or construction of majo j lubr cating devices showndn the drawings. 10 7 What I claim is: V r r 1. 1. In combination, a bearing, abushing in the bearing, a shaft jo'urnalcd inthe bush- .in w -andlneans for lubricating the 'ournall5; e entered within thebushingsaid screw hav with a hollow screw tapped through the hearing and: having" its vinner end reduced and with a lubricating 'cluct eXtend-ing'axiallyof the screw and through the reduced end thereof, and a lubricating member in said duct adapted tofeecl lubricant to the journal in the bushing when the retainer is in place.

niy-own; I affix ,my signature.

1' DONALD MQunEu Buss] 5 ,In testimonythat I claim the foregoing as 

